Home / 5,330.36-7,355.66-3,561.72

Finding the Fourth Proportional to 5,330.36, 7,355.66 and 3,561.72

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Solution

The fourth proportional to 5,330.36, 7,355.66 and 3,561.72 is: 4,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.36 : 7,355.66 = 3,561.72 : x
  2. Step 2: Convert to fraction form
    5,330.36/7,355.66 = 3,561.72/x
  3. Step 3: Cross multiply
    5,330.36x = 7,355.66 × 3,561.72
  4. Step 4: Simplify right side
    5,330.36x = 26,198,801.34
  5. Step 5: Solve for x
    x = 26,198,801.34/5,330.36
  6. Step 6: Final answer
    x = 4,915.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.